Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221039 | Transformative elevator display system | Philip Hettema, Susan Spence, Benjamin Lien | 2019-03-05 |
| 10205926 | Three dimensional display environment and viewing theater | Philip Hettema, David Revel | 2019-02-12 |